XML 128 R111.htm IDEA: XBRL DOCUMENT v3.23.3
Other Assets and Liabilities - Additional Information (Details)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2023
USD ($)
partnership
Dec. 31, 2018
partnership
Other Assets and Other Liabilities [Line Items]      
Number of partnerships consolidated | partnership   2 2
Co-investors gains (losses) $ 2 $ 4  
Co-Investors Interests      
Other Assets and Other Liabilities [Line Items]      
Carrying value of interests 23 23  
Non-controlling interest in consolidated HEI entity      
Other Assets and Other Liabilities [Line Items]      
Carrying value of interests 26 26  
Co-investors gains (losses) $ 2 $ 3